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Belkin SoundForm Rhythm ANC specifications and in-depth review

Belkin SoundForm Rhythm ANC

Manufacturer: Belkin

The Belkin SoundForm Rhythm ANC are true wireless earbuds designed for everyday listening without the clutter of cables. Built around active noise cancellation, they also include an ambient sound mode for moments when staying aware of your surroundings matters. The earbuds weigh just 8 g and carry an IPX5 water resistance rating, making them a practical option for varied daily use.

On the connectivity side, the SoundForm Rhythm ANC runs on Bluetooth 5.4 and supports multipoint pairing with up to two devices simultaneously. The USB-C charging case extends total playback to 28 hours combined, with the earbuds themselves delivering 8 hours on a single charge and a 1.5-hour charge time. Fast charging is supported, and additional features include a noise-canceling microphone, mute function, voice prompts, touch controls on the earbuds, and a 2-year warranty.

Pros
  • Active noise cancellation combined with passive noise reduction provides two layers of sound isolation
  • Multipoint pairing allows simultaneous connection to two devices
  • IPX5 water resistance rating offers reliable protection against sweat and splashes
  • Fast charging support helps reduce downtime between uses
  • Includes a travel bag for convenient storage and portability
  • Backed by a 2-year warranty, which is above average for wireless earbuds
Cons
  • No wireless charging support, requiring a wired USB-C connection every time
  • Bluetooth range is limited to 10 m, which may be restrictive in larger spaces
  • Lacks advanced audio codecs such as LDAC, aptX, or AAC, limiting audio transmission quality options
  • No in-ear detection means music does not pause automatically when earbuds are removed
  • No find-device feature, making it harder to locate misplaced earbuds
Who is this for?

These earbuds are a solid fit for commuters, office workers, and anyone who regularly moves between noisy environments, thanks to the combination of active noise cancellation and passive noise reduction. The IPX5 water resistance and lightweight 8 g build make them practical for workouts and outdoor use, while multipoint pairing suits users who switch frequently between a phone and a laptop. The included travel bag and 2-year warranty also appeal to those who want a dependable everyday carry option.

Who is this NOT for?

Users who prioritize high-fidelity wireless audio will find the lack of advanced codecs such as LDAC or aptX a notable limitation, as audio transmission is restricted to standard Bluetooth quality. The 10 m Bluetooth range makes these earbuds less suited for larger spaces like gyms or open offices where the source device may be kept at a distance. Additionally, the absence of in-ear detection and a find-device feature may frustrate users who value those conveniences in their daily routine.

Design:

Fit In-ear
Ingress Protection (IP) rating IPX5
water resistance Water resistant
weight 8 g
has no wires or cables ✓
are neckband earbuds ✕
wingtips included ✕
has RGB lighting ✕
has stereo speakers ✓
has UV light ✕
Has a display ✕

The Belkin SoundForm Rhythm ANC use an in-ear fit and are fully wireless, with no cables or neckband design. They weigh just 8 g and carry an IPX5 water resistance rating, offering reliable protection against sweat and splashes. The earbuds feature stereo speakers but do not include wingtips, RGB lighting, a UV light, or a display.

Sound quality:

has active noise cancellation (ANC) ✓
has passive noise reduction ✓
driver unit size 10 mm
lowest frequency 20 Hz
highest frequency 20000 Hz
supports spatial audio ✕
has Dolby Atmos ✕
has Dirac Virtuo ✕
has a neodymium magnet ✕

The SoundForm Rhythm ANC combines active noise cancellation with passive noise reduction to help block out unwanted sound from the environment. Each earbud uses a 10 mm driver unit and covers a frequency range of 20 Hz to 20,000 Hz. The earbuds do not support spatial audio, Dolby Atmos, or Dirac Virtuo, and they do not use a neodymium magnet.

Power:

Battery life 8 hours
Battery life of charging case 20 hours
charge time 1.5 hours
has wireless charging ✕
Has a solar power battery ✕
has a battery level indicator ✓
has a rechargeable battery ✓

The SoundForm Rhythm ANC offers 8 hours of battery life on a single charge, with the charging case providing an additional 20 hours. A full charge takes 1.5 hours, and a battery level indicator lets you keep track of remaining power. The earbuds use a rechargeable battery but do not support wireless charging or solar charging.

Connectivity:

has fast pairing ✕
Has USB Type-C ✓
Bluetooth version 5.4
has LDAC ✕
has LDHC ✕
has Bluetooth LE Audio ✕
has aptX Adaptive ✕
has aptX Low Latency ✕
has aptX HD ✕
has aptX ✕
has aptX Lossless ✕
has aptX Voice ✕
has Auracast ✕
maximum Bluetooth range 10 m
supports Bluetooth pairing using NFC ✕
Can be used wirelessly ✓
has AAC ✕

The SoundForm Rhythm ANC connects wirelessly via Bluetooth 5.4 with a maximum range of 10 m, and charges through a USB-C port. It does not support fast pairing, NFC pairing, AAC, LDAC, LDHC, Auracast, or any variant of aptX, including aptX Adaptive, aptX HD, aptX Low Latency, aptX Lossless, and aptX Voice. Bluetooth LE Audio is also not supported.

Features:

has ambient sound mode ✓
has in/on-ear detection ✕
has find device feature ✕
Supports fast charging ✓
multipoint count 2
can read notifications ✕
Has a built-in translator ✕
has a mute function ✓
can be used as a headset ✓
control panel placed on a device ✓
warranty period 2 years
Has voice prompts ✓
travel bag is included ✓
Has an in-line control panel ✕
Has a temperature sensor ✕
Has a built-in camera remote control function ✕

The SoundForm Rhythm ANC includes ambient sound mode, a mute function, voice prompts, and on-device touch controls, and it can be used as a headset for calls. Fast charging is supported, and the earbuds can connect to up to two devices simultaneously via multipoint pairing. A travel bag is included in the box, and the product is backed by a 2-year warranty. Features not present include in-ear detection, a find-device function, notification readout, a built-in translator, an in-line control panel, a temperature sensor, and a camera remote shutter.

Microphone:

has a noise-canceling microphone ✓

The SoundForm Rhythm ANC is equipped with a noise-canceling microphone, designed to reduce background noise during calls and voice interactions.

Final Verdict

The Belkin SoundForm Rhythm ANC is a well-rounded set of true wireless earbuds that delivers on the essentials for everyday use. Its active noise cancellation paired with passive noise isolation makes it a genuinely practical choice for commuters and office users, while the IPX5 rating and lightweight build add real-world durability. The absence of high-quality audio codecs and the modest Bluetooth range mean it is not built for audiophiles or users with demanding wireless requirements, but for those seeking a reliable daily driver with multipoint pairing, fast charging, and a two-year warranty, the SoundForm Rhythm ANC represents a focused and functional option.

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